Dektite Premium Multicable - Black EPDM 4mm to 8mm External Cable Dimensions The flashing solution for pipes through metal roofs. A purpose made durable solution as required by MCS and suits most roof profiles. Protects up to 12 cables and weatherproofs entry to any metal roof. Suitable for any roof pitch. Suits external cable dimensions between 4mm and 8mm. Base size: 139mm x 139mm. Black and Grey EPDM flashings are used with standard pipes where heat is not an issue. Can be used with pipes up to 115°C constant and 150°C intermittent. Red silicone can be used with hot pipes and can be used with pipes up to 200°C constant and 250°C intermittent.